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The systems hacker’s guide to the Galaxy: Energy usage in a modern smartphone

Authors

Aaron Carroll and Gernot Heiser

NICTA

UNSW

Abstract

Modern smartphones are increasingly performant and feature-rich but remain highly power-constrained. Effective energy management demands an informed policy, and to that end we present a detailed power analysis of the Samsung Galaxy S III smartphone. We measure power consumption by instrumentation at the circuit level, and present a breakdown by the major components including CPU, RAM, display, GPU, wireless radios, camera, GPS and environmental sensors.

BibTeX Entry

  @inproceedings{Carroll_Heiser_13,
    publisher        = {ACM},
    doi              = {10.1145/2500727.2500734},
    author           = {Carroll, Aaron and Heiser, Gernot},
    year             = {2013},
    month            = jul,
    slides           = {http://ts.data61.csiro.au/publications/nicta_slides/7044.pdf},
    title            = {The Systems Hacker’s Guide to the {Galaxy}: Energy Usage in a Modern Smartphone},
    booktitle        = {Asia-Pacific Workshop on Systems (APSys)},
    pages            = {7},
    address          = {Singapore}
  }

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